This fixes projects building with the iOS SDK 6.0, using ARC, and targeting iOS 5.
Without specifying a deployment target, the Sparrow project defaults to the latest version (6), which
causes a dynamic linking error shortly after launch (dyld: lazy symbol binding failed: Symbol not found _objc_setProperty_nonatomic)
(4.3 is the minimum iOS target supported by the latest SDK)
This fixes projects building with the iOS SDK 6.0, using ARC, and targeting iOS 5. Without specifying a deployment target, the Sparrow project defaults to the latest version (6), which causes a dynamic linking error shortly after launch (dyld: lazy symbol binding failed: Symbol not found _objc_setProperty_nonatomic)
(4.3 is the minimum iOS target supported by the latest SDK)